| Ecosystem | Type | Status | Ref. |
|---|---|---|---|
| Aegean Sea | Sea/Bay/Gulf | native | 128073 |
| Arctic | Sea/Bay/Gulf | native | 1394 |
| Arctic - province | Sea/Bay/Gulf | native | 1394 |
| Atlantic Ocean | Sea/Bay/Gulf | native | 1394 |
| Baltic Sea | Sea/Bay/Gulf | native | 1394 |
| Barents Sea | Sea/Bay/Gulf | native | 1522 |
| Bay of Fundy | Sea/Bay/Gulf | native | 1394 |
| Beaufort Sea | Sea/Bay/Gulf | native | 1394 |
| Beaufort Sea - continental coast and shelf | Sea/Bay/Gulf | native | 1394 |
| Black Sea | Sea/Bay/Gulf | native | 1394 |
| Black Sea - province | Sea/Bay/Gulf | native | 1394 |
| Canadian Eastern Arctic - West Greenland | Sea/Bay/Gulf | native | 1394 |
| Carolinian | Sea/Bay/Gulf | native | 1522 |
| Celtic-Biscay Shelf | Sea/Bay/Gulf | native | 85760 |
| Central Arctic | Sea/Bay/Gulf | native | 1394 |
| Chukchi Sea | Sea/Bay/Gulf | native | 118565 |
| Cold Temperate Northeast Pacific | sea/bay/gulf | native | 1394 |
| Cold Temperate Northwest Atlantic | sea/bay/gulf | native | 94794 |
| Cold Temperate Northwest Pacific | sea/bay/gulf | native | 1522 |
| East Greenland Shelf | Sea/Bay/Gulf | native | 1394 |
| German Bight | Sea/Bay/Gulf | native | 1394 |
| Gulf of Alaska | Sea/Bay/Gulf | native | 84952 |
| Iceland Shelf and Sea | Sea/Bay/Gulf | native | 1394 |
| Kamchatka | Sea/Bay/Gulf | native | 1522 |
| Lusitanian | sea/bay/gulf | native | 1394 |
| Mackenzie | River (basin) | native | 1522 |
| Mediterranean Sea | Sea/Bay/Gulf | native | 1522 |
| North Greenland | Sea/Bay/Gulf | native | 1394 |
| North Sea | Sea/Bay/Gulf | native | 96344 |
| Northern Bering - Chukchi Seas | Sea/Bay/Gulf | native | 1394 |
| Northern European Seas | Sea/Bay/Gulf | native | 1394 |
| Norwegian Sea | Sea/Bay/Gulf | native | 50752 |
| Oregon, Washington, Vancouver Coast and Shelf | Sea/Bay/Gulf | native | 94794 |
| Pacific Ocean | Sea/Bay/Gulf | native | 1394 |
| Puget Sound | Sea/Bay/Gulf | native | 94798 |
| Puget Trough/Georgia Basin | Sea/Bay/Gulf | native | 93905 |
| Saharan Upwelling | Sea/Bay/Gulf | native | 1522 |
| Sahelian Upwelling | Sea/Bay/Gulf | native | 1394 |
| Salish Sea | Sea/Bay/Gulf | native | 93905 |
| Scotian Shelf | Sea/Bay/Gulf | native | 1522 |
| Sea of Azov | Sea/Bay/Gulf | native | 8646 |
| Sea of Marmara | Sea/Bay/Gulf | native | 128073 |
| Sea of Okhotsk | Sea/Bay/Gulf | native | 1522 |
| Temperate Northern Atlantic | sea/bay/gulf | native | 1394 |
| Temperate Northern Pacific | sea/bay/gulf | native | 1522 |
| Tropical Atlantic | sea/bay/gulf | native | 1394 |
| Tunisian Plateau/Gulf of Sidra | Sea/Bay/Gulf | native | 1522 |
| Virginian | Sea/Bay/Gulf | native | 94794 |
| Warm Temperate Northwest Atlantic | sea/bay/gulf | native | 1522 |
| West African Transition | sea/bay/gulf | native | 1394 |
| West Bering Sea | Sea/Bay/Gulf | native | 1522 |
| West Greenland Shelf | Sea/Bay/Gulf | native | 1394 |
| Western Mediterranean | Sea/Bay/Gulf | native | 1522 |
| White Sea | Sea/Bay/Gulf | native | 118986 |
| Yellow Sea | Sea/Bay/Gulf | native | 75906 |